Bump actions/setup-node in the gh-actions group across 1 directory

Bumps the gh-actions group with 1 update in the / directory: [actions/setup-node](https://github.com/actions/setup-node).


Updates `actions/setup-node` from 4.0.2 to 4.0.4
- [Release notes](https://github.com/actions/setup-node/releases)
- [Commits](actions/setup-node@v4.0.2...v4.0.4)

---
updated-dependencies:
- dependency-name: actions/setup-node
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: gh-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/gh-pages.yml

@@ -16,7 +16,7 @@ jobs:
         uses: actions/checkout@v4.1.7
 
       - name: Setup Node.js
-        uses: actions/setup-node@v4.0.2
+        uses: actions/setup-node@v4.0.4
         with:
           node-version: 20.x